2722746779 has 2 divisors, whose sum is σ = 2722746780. Its totient is φ = 2722746778.

The previous prime is 2722746749. The next prime is 2722746811. The reversal of 2722746779 is 9776472272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2722746779 - 2¹² = 2722742683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2722746779.

It is not a weakly prime, because it can be changed into another prime (2722746749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361373389 + 1361373390.

It is an arithmetic number, because the mean of its divisors is an integer number (1361373390).

Almost surely, 2^2722746779 is an apocalyptic number.

2722746779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722746779 is an equidigital number, since it uses as much as digits as its factorization.

2722746779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4148928, while the sum is 53.

The square root of 2722746779 is about 52179.9461383394. The cubic root of 2722746779 is about 1396.3761344393.

The spelling of 2722746779 in words is "two billion, seven hundred twenty-two million, seven hundred forty-six thousand, seven hundred seventy-nine".